199950975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1607}}^1$

素因数の和:1709

約数の個数: 72

約数和(自身を含む): 414735360

約数和(自身を除く): 214784385

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 79, 105, 175, 225, 237, 315, 395, 525, 553, 711, 1185, 1575, 1607, 1659, 1975, 2765, 3555, 4821, 4977, 5925, 8035, 8295, 11249, 13825, 14463, 17775, 24105, 24885, 33747, 40175, 41475, 56245, 72315, 101241, 120525, 124425, 126953, 168735, 281225, 361575, 380859, 506205, 634765, 843675, 888671, 1142577, 1904295, 2531025, 2666013, 3173825, 4443355, 5712885, 7998039, 9521475, 13330065, 22216775, 28564425, 39990195, 66650325, 199950975]

約数ペア:

[(1, 199950975), (3, 66650325), (5, 39990195), (7, 28564425), (9, 22216775), (15, 13330065), (21, 9521475), (25, 7998039), (35, 5712885), (45, 4443355), (63, 3173825), (75, 2666013), (79, 2531025), (105, 1904295), (175, 1142577), (225, 888671), (237, 843675), (315, 634765), (395, 506205), (525, 380859), (553, 361575), (711, 281225), (1185, 168735), (1575, 126953), (1607, 124425), (1659, 120525), (1975, 101241), (2765, 72315), (3555, 56245), (4821, 41475), (4977, 40175), (5925, 33747), (8035, 24885), (8295, 24105), (11249, 17775), (13825, 14463)]